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    • 8. 发明申请
    • Water-Injected Screw Compressor Element
    • 注水螺杆压缩机元件
    • US20080260562A1
    • 2008-10-23
    • US11884706
    • 2006-02-22
    • Ann Valerie Van Der HeggenBenjamin Moens
    • Ann Valerie Van Der HeggenBenjamin Moens
    • F04C18/16F04C27/00F04C29/02
    • F04C18/16F04C29/0021F04C29/02F04C29/026F04C2210/147F04C2240/52
    • Improved water-injected screw compressor element which mainly consists of a housing (2) on the one hand, confining a rotor chamber (5) with an inlet (6) on one far end and an outlet (7) on the other far end and in which two co-operating rotors (3,4) are provided which are bearing-mounted in the housing (2) with their shaft (16, 20) by means of water-lubricated bearings (17, 18, 21,22), characterised in that for every rotor are provided two pistons, a first piston (37, 38) and a second piston (17, 21) respectively, which can be each axially shifted in a guide, whereby each of these pistons (17, 21, 37, 38) makes contact with the rotor (3,4) concerned with one side or is part of it, and makes contact with a pressure chamber (41, 42, 43, 44) with an opposite side, in order to partly or almost entirely compensate for axial force components exerted by the compressed gasses on the rotors.
    • 改进的注水螺杆压缩机元件主要由壳体(2)组成,一方面将转子室(5)与一个远端的入口(6)和另一远端的出口(7) 其中提供两个配合的转子(3,4),它们通过水润滑的轴承(17,18,21,22)轴承地安装在壳体(2)中,其轴(16,20) 其特征在于,对于每个转子分别设置有两个活塞,分别可以在引导件中轴向移动的第一活塞(37,38)和第二活塞(17,21),由此这些活塞(17,21, 37,38)与一侧相关的转子(3,4)或其一部分接触,并与具有相对侧的压力室(41,42,43,44)接触,以部分地或部分地 几乎完全补偿由压缩气体施加在转子上的轴向力分量。
    • 9. 发明授权
    • Water injection type screw fluid machine
    • 注水式螺杆流体机
    • US08529234B2
    • 2013-09-10
    • US13302061
    • 2011-11-22
    • Shoji YoshimuraToru Noguchi
    • Shoji YoshimuraToru Noguchi
    • F03C2/00F03C4/00F04C15/00F04C2/00
    • F04C18/16F01C19/005F04C27/009F04C27/02F04C2210/147F04C2240/52
    • A water-lubrication type screw fluid machine has a first non-contact seal, a second non-contact seal and a lip seal disposed between a rotor chamber and a bearing for a rotor shaft. The bearing is located on the high pressure side and in this order from the rotor chamber side. the bearing includes a low pressure communicating channel for allowing an outflow space formed on the rotor chamber side with respect to the first non-contact seal to communicate with a low pressure channel for the target gas communicating with a low pressure space inside the rotor chamber or the rotor chamber, a pressurized communicating channel for introducing high-pressure target gas into a pressurized space formed between the first and second non-contact seals, and an open communicating channel through which an open space formed between the second non-contact seal and the lip seal opens to the outside of the casing.
    • 水润滑型螺杆流体机械具有第一非接触式密封件,第二非接触式密封件和设置在转子室与用于转子轴的轴承之间的唇形密封件。 轴承位于高压侧,从转子室一侧依次设置。 所述轴承包括低压连通通道,用于允许相对于第一非接触密封件形成在转子室侧的流出空间与用于与转子室内的低压空间连通的目标气体的低压通道连通,或 转子室,用于将高压目标气体引入形成在第一和第二非接触式密封件之间的加压空间中的加压连通通道,以及形成在第二非接触式密封件与第二非接触式密封件之间的开放空间的开放连通通道, 唇形密封件通向外壳的外部。